My Yandere Succubus Daughter is Mommy-Warrior's Natural Enemy - Volume 1 Chapter 24

Jiang Pengji got something called the Court Intrigue Stream System.
System: “Your goal is to become the most prestigious woman in the kingdom (the Queen)!”
Jiang Pengji: “Okay, System. No problem!”
Years later, she met the target by becoming the most prestigious woman (the Empress).
Jiang Pengji: “Well done, no?”

- Description from Novelupdates

Where there is light there shall be darkness

Hero? Nahh I'm the demon.

In a world where the demons are looked on as the incarnation of evil, the human-demon war raged on across the whole continent.

The Seraphims, protector of humanity, and the Demon lords who rule across all demonkind. Amidst all the chaos, Simon was reincarnated as the lowest ranking demon noble.

A brutal world where the strong feeds on the weak, eat or be eaten, kill or be killed. A demon far off from humanity….a dream unfulfilled in his previous life will be achieved in this life. Taking on the moniker of Laplace, he destroys all his enemies and rise over them.

Synopsis: 【Era + Rebirth + Educated Youth + Rough Husband's Devotion + Child Rearing】In her previous life, Su Xiaoxiao unwittingly led disaster into her home, resulting in the demise of her entire family through a series of “accidents.”Upon her rebirth, she vowed to make those who had harmed them pay a bitter price!She was determined to love wholeheartedly the vengeful Jiang Yexun, who was willing to squander his vast wealth and even risked his life for her vengeance.But there was a peculiar issue with her body – she couldn’t seem to control it.Whenever she was near Jiang Yexun, an irresistible urge for intimacy took over.Jiang Yexun clenched his teeth and said, “I've given you a chance to run!”Su Xiaoxiao embraced the man's waist and playfully retorted, “Run from what? A real man should act, not just talk!”Jiang Yexun pressed down on the provoking girl, “Alright then, let's act!”After marriage, Su Xiaoxiao, nursing her sore waist that hadn’t straightened since, tearfully recognized one undeniable fact – you must not provoke a rough-and-tough husband like him.

One of the seven strongest people on the continent, the King of Mercenaries. He started a war to avenge his fallen family and destroyed territory but failed and lost his life. However… “Wow, I’m alive?” I returned to the past, back through time. A perfect opportunity to right my regrets and reverse everything. It doesn’t matter if people around me point fingers, calling me a scoundrel, or dismiss me as tr*sh. Because… “I’ve got a plan.” “What plan?” “A plan to destroy everything.” There won’t be a second failure. This time, I’ll wipe out all my enemies. …But first, I need to rebuild this damn estate.